固体物理第二章ppt课件.ppt

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1、u(r)f(r)(a)(b)rr0rmr)()()(nmrBrArUnm 111)()( nmrnBrmAdrrdurf( )rrrdu rdr000 ()f r00 ( )( )()( )n mCmBnrAmAmUU rrn000213 0drdf(r)or0dru(r)dmmrr22nmmnrrm011 n mmnrrm011 mrmdrrdurf)()( bNEEE0 Njijiruu1 ijr)u(rijNiNjijNiiruuU)(21211jijruNU)(2) 4(), 3 , 2, 1()(2)(21)(1NjjruNrurUEjj1NiNjij)(51TPVVk ：)6(1T

2、VPVkK p0 ( )VdUdV007 pdVTdSdU dVdrdrdUdVdUppdVdU ,TPKVkV 1()VUKVV 0202(8)VdVdrrUVdVdrrUdVrddrdU02r2202r2222r000dVdrdrdUdVdUp 00rdrdU N N22 N934 (9)RV3RaNVaN 322422(8)VdVdrrUK02r2200022022020919RrRrrURrUVRK(9)RV3VRRdVdRRdRdV331322126)(rBrAru )(122222222212121cxmpcxmpEEE 一维的范德瓦尔斯一维的范德瓦尔斯- -伦敦力的模型伦敦力的模

3、型(2)mc2(,mc21000veeeeurrxrxxrx 2222120221114一维的范德瓦尔斯一维的范德瓦尔斯- -伦敦力的模型伦敦力的模型,rx11rx11rxrx111r4e2112020)( ,1)(1132xxxxx( ),e x xpurrpex xxx 221112330012322eeeeurrxrxxrx2222120221114)(422222302122222212121rxxecxmpcxmpEEE )()()(52121212211 xxxx )(6222222222121 cmpcmpE )()()(7212133 rccrcc )(821212121303

4、0 rmcrmc ce02分子的极化系数分子的极化系数(), ,En hn 10 1 22)(93221212121210622021321300 hrhrrhhhE 0 x,x81x211x12.! 3)2)(1(! 2) 1(! 11)1 (32xxxx)(10320622 hrE orrBrAru)()(11126 BAABrrru4124261612 ,)()(fruxr 4)(,61211)(xxxf 06x12x7131.122rx61224u(r)6611261min r( )(,)()jjjNU rrrjjN 126114212 313Rarjj 1)(,)(142661212

5、 RARANrU ,;66121211jjjaAaA jjarR 1。3,2RaaR 22212) 1 (12,12) 1 (1212)1(126)1(6 AA( )( )().A 266612162120 75012 750( )( )().A 212121212162120 09412 094,;66121211jjjaAaA ( )( )()().A 366661216224312 0750 088913639( )( )()().A 31212121212162243120094003312127 616120676121312206122)(00 AARRARANdRrdURRRR 09. 12616120 AARNAARARANU122660612012022 6 . 82122600 AANUu3251261230754 AAAK0022022020919RrRrrURrUVRKssp 223122 zyxppps2,2,2,2zyxppps2,2,2,2)(21)(21)(21)(21zyxzyxzyxzyx2p2p2p2s42p2p2p2s32p2p2p2s22p2p2p2s14321, 821090